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GLM 5.1 NVFP4 by nvidia

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GLM 5.1 NVFP4 is an open-source language model by nvidia. Features: 381.5b LLM, VRAM: 429.9GB, Context: 198K, License: mit, MoE, LLM Explorer Score: 0.31.

  4-bit precision   8-bit Base model:quantized:zai-org/g...   Base model:zai-org/glm-5.1   Conversational   Fp4   Glm moe dsa   Model optimizer   Modelopt   Moe   Nvidia   Quantized   Region:us   Safetensors   Sharded   Tensorflow
Model Card on HF 🤗: https://huggingface.co/nvidia/GLM-5.1-NVFP4 

GLM 5.1 NVFP4 Benchmarks

LLME Score: 0.30969
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
GLM 5.1 NVFP4 (nvidia/GLM-5.1-NVFP4)
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GLM 5.1 NVFP4 Parameters and Internals

LLM NameGLM 5.1 NVFP4
Repository 🤗https://huggingface.co/nvidia/GLM-5.1-NVFP4 
Base Model(s)  zai-org/GLM-5.1   zai-org/GLM-5.1
Model Size381.5b
Required VRAM429.9 GB
Updated2026-05-21
Maintainernvidia
Model Typeglm_moe_dsa
Model Files  10.0 GB: 1-of-49   10.0 GB: 2-of-49   10.0 GB: 3-of-49   10.0 GB: 4-of-49   10.0 GB: 5-of-49   10.0 GB: 6-of-49   10.0 GB: 7-of-49   10.0 GB: 8-of-49   10.0 GB: 9-of-49   10.0 GB: 10-of-49   10.0 GB: 11-of-49   10.0 GB: 12-of-49   10.0 GB: 13-of-49   10.0 GB: 14-of-49   10.0 GB: 15-of-49   10.0 GB: 16-of-49   10.0 GB: 17-of-49   10.0 GB: 18-of-49   10.0 GB: 19-of-49   10.0 GB: 20-of-49   10.0 GB: 21-of-49   10.0 GB: 22-of-49   10.0 GB: 23-of-49   10.0 GB: 24-of-49   10.0 GB: 25-of-49   10.0 GB: 26-of-49   10.0 GB: 27-of-49   9.9 GB: 28-of-49   10.0 GB: 29-of-49   10.0 GB: 30-of-49   10.0 GB: 31-of-49   10.0 GB: 32-of-49   10.0 GB: 33-of-49   10.0 GB: 34-of-49   10.0 GB: 35-of-49   10.0 GB: 36-of-49   10.0 GB: 37-of-49   10.0 GB: 38-of-49   10.0 GB: 39-of-49   10.0 GB: 40-of-49   10.0 GB: 41-of-49   10.0 GB: 42-of-49   10.0 GB: 43-of-49
Model ArchitectureGlmMoeDsaForCausalLM
Licensemit
Context Length202752
Model Max Length202752
Transformers Version5.8.0
Vocabulary Size154880

Best Alternatives to GLM 5.1 NVFP4

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GLM 5 REAP 381B198K / 762.9 GB3693
GLM 5 REAP 50pct FP8198K / 223.3 GB792

Rank the GLM 5.1 NVFP4 Capabilities

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Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
Censorship and Alignment  
Data Analysis and Insight Generation  
Text Generation  
Text Summarization and Feature Extraction  
Code Generation  
Multi-Language Support and Translation  

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